All hair follicles grow according to a cycle – ‘anagen, catagen, telogen’. The follicle germative cells promote anagen hair growth at consistently regular intervals resulting in periods of active growth, followed by inactivity. The duration of these periods depends on the which part of the body is being considered. I created a computer model to… Continue reading Laser/IPL Hair Removal – How many follicles do we kill each treatment?
I often see laser/IPL users making comments like “the hair grows back after a treatment…”, or something similar. When we treat hair with light energy, we cannot expect to kill all of those in the anagen phase (laser/IPL light can kill only the anagen follicles). In reality, most operators might kill between 50 to 80% of… Continue reading “The hairs grow back after the treatment…”